Figure 3-6. Disassembly of Laser Receiver-<a href="http://electriciantraining.tpub.com/14189/css/Transmitters-76.htm">Transmitter</a> RT-1021/VVG-1 (A76) (Sheet 3 of 3 sheets)

TM 9-1240-369-34

Figure 3-6. Disassembly of Laser Receiver-Transmitter RT-1021/VVG-1 (A76) (Sheet 3 of 3 sheets).

(5) Lubricate new ballistic cover gasket (6) by

components that are replaceable on

applying a thin, uniform, film of grease, MIL-G4343, to

the optical bench assembly.

the high point on the bead of the gasket. Do not apply so

(1) Remove ballistic cover assembly and

much grease that it fills the grooves on either side of the

ballistic cover gasket as instructed in paragraph 3-12 a,

bead. Apply by hand to the inserts on both sides of the

steps (1) thru (4).

ballistic cover gasket.

(2) Remove 10 screws (7), 10 washers (8),

(6) Install new ballistic cover gasket (6) by

and access cover (9).

performing step (4) in reverse order. Use new screws

(3) Cut lockwire (10) between retaining nut

(31 and torque to 45 to 50 inch-pounds.

(11) on connector A76J3 (12) and screw (13).

b. Removal and Installation of Optical Bench

(4) Remove retaining nut (11) which secures

Assembly (see fig. 3-6).

connector A76J3 to housing assembly (106) with

connector wrench (15, table 2-1).

NOTE

(5) Loosen two captive screws on screw

locking assembly (14) and disconnect connector

The optical bench assembly as a

A76W1P3 (15).

whole is not a replaceable assembly.

This assembly must be removed from

WARNING

the main housing assembly in

Ethyl alcohol is flammable. When

accordance

with

the

following

using it for cleaning, keep it and all

procedure in order to replace the

flammable cleaning materials away

from open flames.

3-19